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https://issues.apache.org/jira/browse/DERBY-4633?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jayaram Subramanian updated DERBY-4633:
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Attachment: Main.java
Attached is the test java program
> Cache default calendar in result sets and statements on client driver
> ---------------------------------------------------------------------
>
> Key: DERBY-4633
> URL: https://issues.apache.org/jira/browse/DERBY-4633
> Project: Derby
> Issue Type: Improvement
> Components: JDBC, Network Client
> Affects Versions: 10.6.1.0
> Reporter: Knut Anders Hatlen
> Labels: derby_triage10_9
> Attachments: Main.java
>
>
> After the changes in DERBY-4582, these methods now allocate a default
> calendar object on each invocation (on the client driver), whereas they
> didn't before the fix:
> ResultSet.getDate(int)
> ResultSet.getTime(int)
> ResultSet.getTimestamp(int)
> PreparedStatement.setDate(int, java.sql.Date)
> PreparedStatement.setTime(int, java.sql.Time)
> PreparedStatement.setTimestamp(int, java.sql.Timestamp)
> CallableStatement.getDate(int)
> CallableStatement.getTime(int)
> CallableStatement.getTimestamp(int)
> The embedded driver prevents excessive allocation of default calendar objects
> in these methods by caching an instance in ConnectionChild (the super-class
> of EmbedResultSet, EmbedPreparedStatement and EmbedCallableStatement). We
> should do something similar on the client driver.
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